DTC 84-01: VSA Sensor Neutral Position Not Written
- Do the VSA sensor neutral position memorization (see VSA SENSOR NEUTRAL POSITION MEMORIZATION ).
- Clear the DTC with the HDS.
- Turn the ignition switch to LOCK (0), then turn it to ON (II) again, or select the OFF mode, then the ON mode.
- Check for DTCs with the HDS.
Is DTC 84-01 indicated?
YES -Go to step 5.
NO -The system is OK at this time.
- Update the VSA modulator-control unit if it does not have the latest software (see VSA MODULATOR-CONTROL UNIT UPDATE ). If the unit already has the latest software, substitute a known-good VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ).
- Turn the ignition switch to LOCK (0), then turn it to ON (II) again, or select the OFF mode, then the ON mode.
- Check for DTCs with the HDS.
Is DTC 84-01 indicated?
YES -Check for loose terminals in the VSA modulator-control unit 47P connector. If the VSA modulator-control unit was updated, substitute a known-good VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ), then retest. If the VSA modulator-control unit was substituted, go to step 1.
NO -If the VSA modulator-control unit was updated, troubleshooting is complete. If the VSA modulator-control unit was substituted, replace the original VSA modulator-control unit (see VSA MODULATOR-CONTROL UNIT REMOVAL AND INSTALLATION ). If any other DTCs are indicated, go to the INDICATED DTCS TROUBLESHOOTING .